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What is the Least Common Multiple of 17574 and 17590?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 17574 and 17590 is 154563330.

LCM(17574,17590) = 154563330

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Least Common Multiple of 17574 and 17590 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17574 and 17590, than apply into the LCM equation.

GCF(17574,17590) = 2
LCM(17574,17590) = ( 17574 × 17590) / 2
LCM(17574,17590) = 309126660 / 2
LCM(17574,17590) = 154563330

Least Common Multiple (LCM) of 17574 and 17590 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17574 and 17590. First we will calculate the prime factors of 17574 and 17590.

Prime Factorization of 17574

Prime factors of 17574 are 2, 3, 29, 101. Prime factorization of 17574 in exponential form is:

17574 = 21 × 31 × 291 × 1011

Prime Factorization of 17590

Prime factors of 17590 are 2, 5, 1759. Prime factorization of 17590 in exponential form is:

17590 = 21 × 51 × 17591

Now multiplying the highest exponent prime factors to calculate the LCM of 17574 and 17590.

LCM(17574,17590) = 21 × 31 × 291 × 1011 × 51 × 17591
LCM(17574,17590) = 154563330